sh: Handle fixmap TLB eviction more coherently.

[linux-2.6-omap-h63xx.git] / arch / sh / mm / init.c

diff --git a/arch/sh/mm/init.c b/arch/sh/mm/init.c
index 2a53943924b2c99479e3c748a31acf9db45494d1..6cbef8caeb560e69776579d5525bbad028e9aaec 100644 (file)
--- a/arch/sh/mm/init.c
+++ b/arch/sh/mm/init.c
@@ -137,6 +137,7 @@ void __init page_table_range_init(unsigned long start, unsigned long end,
 void __init paging_init(void)
 {
        unsigned long max_zone_pfns[MAX_NR_ZONES];
+       unsigned long vaddr;
        int nid;
 
        /* We don't need to map the kernel through the TLB, as
@@ -148,10 +149,15 @@ void __init paging_init(void)
         * check for a null value. */
        set_TTB(swapper_pg_dir);
 
-       /* Populate the relevant portions of swapper_pg_dir so that
+       /*
+        * Populate the relevant portions of swapper_pg_dir so that
         * we can use the fixmap entries without calling kmalloc.
-        * pte's will be filled in by __set_fixmap(). */
-       page_table_range_init(FIXADDR_START, FIXADDR_TOP, swapper_pg_dir);
+        * pte's will be filled in by __set_fixmap().
+        */
+       vaddr = __fix_to_virt(__end_of_fixed_addresses - 1) & PMD_MASK;
+       page_table_range_init(vaddr, 0, swapper_pg_dir);
+
+       kmap_coherent_init();
 
        memset(max_zone_pfns, 0, sizeof(max_zone_pfns));
 
@@ -321,21 +327,4 @@ int memory_add_physaddr_to_nid(u64 addr)
 }
 EXPORT_SYMBOL_GPL(memory_add_physaddr_to_nid);
 #endif
-
-#ifdef CONFIG_MEMORY_HOTREMOVE
-int remove_memory(u64 start, u64 size)
-{
-       unsigned long start_pfn = start >> PAGE_SHIFT;
-       unsigned long end_pfn = start_pfn + (size >> PAGE_SHIFT);
-       int ret;
-
-       ret = offline_pages(start_pfn, end_pfn, 120 * HZ);
-       if (unlikely(ret))
-               printk("%s: Failed, offline_pages() == %d\n", __func__, ret);
-
-       return ret;
-}
-EXPORT_SYMBOL_GPL(remove_memory);
-#endif
-
 #endif /* CONFIG_MEMORY_HOTPLUG */